CVE-2026-32267

CRITICAL

Craft CMS Vulnerable to Privilege Escalation/Bypass through UsersController->actionImpersonateWithToken()

Title source: cna
STIX 2.1

Description

Craft CMS is a content management system (CMS). From version 4.0.0-RC1 to before version 4.17.6 and from version 5.0.0-RC1 to before version 5.9.12, a low-privilege user (or an unauthenticated user who has been sent a shared URL) can escalate their privileges to admin by abusing UsersController->actionImpersonateWithToken. This issue has been patched in versions 4.17.6 and 5.9.12.

Scores

CVSS v3 9.8
EPSS 0.0004
EPSS Percentile 11.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-863
Status published
Products (6)
craftcms/cms 4.0.0-RC1 - 4.17.6Packagist
craftcms/cms >= 4.0.0-RC1, < 4.17.6
craftcms/cms >= 5.0.0-RC1, < 5.9.12
craftcms/craft_cms 4.0.0 (4 CPE variants)
craftcms/craft_cms 5.0.0 (2 CPE variants)
craftcms/craft_cms 4.0.0.1 - 4.17.6
Published Mar 16, 2026
Tracked Since Mar 17, 2026